public class Example04 {
    public static void main(String[] args) {
        int x = 12;     //定义变量x
        {
            int y = 96;     //定义变量y
            System.out.println("x is" + x);     //访问变量x
            System.out.println("y is" + y);     //访问变量y
            y = x;      //访问变量x，为变量y赋值

        }
        System.out.println("x is "+ x);     //访问变量x
    }


}
